The all-new 2014 GMC Sierra 1500 full-size pickup is the most powerful, most advanced and most refined truck in the brand’s 111-year history. Sierra’s bold new exterior houses one of three all-new EcoTec3 engines, a fully updated cabin with available next-generation IntelliLink connectivity and other features designed for the most discerning truck owners.

In addition to all-new design and technology, the 2014 Sierra boasts the longest list of standard features ever for a full-size GMC pickup. From connectivity solutions, to a standard, reconfigurable tie-down system in the rear, to the segment’s only standard projector beam headlamps, many premium features are found on each and every all-new Sierra.

Sierra Denali’s high-tech interior also features an exclusive eight-inch Customizable Driver Display that can show relevant settings, audio and navigation information in the instrument panel. Sierra Denali’s standard eight-inch Colour Touch navigation radio with Intellilink, located above the centre console, serves as the main hub for Bluetooth-connected phones and portable devices connected through five standard USB ports.

Other features standard on Sierra Denali include projector-style headlamps with LED signature daytime running lights, a Bose audio system, heated and cooled leather front bucket seats, a heated steering wheel, front and rear park assist and a power sliding rear window with defogger.

New EcoTec3 engines

Sierra’s engine portfolio is updated for 2014 with increased power, torque and fuel efficiency across the board. New 4.3L V-6, 5.3L V-8 and 6.2L V-8 powertrains are offered, all from a shared EcoTec3 engine family. Each engine features standard Direct Injection, Continuously Variable Valve Timing and Active Fuel Management, which means they seamlessly switch to run on four cylinders during light-load driving to save fuel.

The increased power and efficiency of the new engines are the result of more than 10 million hours of sophisticated computer modeling, more than half of which were used to make the best of the combustion process.

The new 4.3L V-6 EcoTec3 engine offers the most torque of any standard V-6 in the segment, with 305 lb.-ft. (413 Nm). Torque is the turning force that generates off-the-line acceleration and confident trailering performance. Sierras equipped with the 4.3L EcoTec3 V-6 will have trailering ratings up to 3,266 kg (7,200 pounds) for a regular cab, short bed, four-wheel-drive model, 500 pounds more than the most capable Ford F-150 3.7L and 700 pounds more than a Ram 1500 3.6L.

“Rather than adapting a V-6 intended for use in passenger cars, we built a new engine from the ground up based on the unique demands of a truck,” said Jordan Lee, powertrain chief engineer. “Sierra’s 4.3L shares its basic design architecture with the latest iterations of the V-8 engines that GMC owners have trusted for generations.”

The new 5.3L EcoTec3 is SAE-certified at 355 horsepower (250 kW) and 383 lb.-ft. of torque (519 Nm). With a fuel consumption rating of 8.7 L/100km highway (2WD), it offers the best fuel efficiency of any V-8 pickup, and beats the fuel economy estimates of the Ford EcoBoost V-6.

The new 6.2L V-8 is available in Sierra SLT and Denali models. It is estimated at 420 horsepower and 450 lb.-ft. of torque – the most horsepower and torque of any light truck in the industry (SAE-certified ratings pending). The new 6.2L also enables a 12,000-pound maximum towing capacity for Sierra 1500, which is expected to be the highest rating in the class.

Fuel efficiency ratings for the 4.3-litre and 6.2-litre engines will be available later this year when certification is complete.

With the new engine designs and additional developments, customers should expect Sierra’s second-generation Active Fuel Management to be more seamless and capable of operating longer in four-cylinder mode.

All three engines use lightweight aluminum blocks and heads and are mated with durable six-speed automatic transmissions. A “cruise grade braking” feature down-shifts the transmission on downgrades, which is intended to reduce brake wear. V-8 models use new, larger 9.5- and 9.76-inch rear axles with the strength to accommodate the engines’ higher output.

Duralife brake rotors and electric power steering

Strong brakes are important for stopping trucks, whether they’re full of people, payload or both. The 2014 Sierra features four-wheel disc brakes with Duralife brake rotors, which feature a hardened and strengthened surface to reduce corrosion. Duralife rotors – a GM-exclusive technology – are expected to last twice as long as conventional rotors and provide quieter braking with less vibration.

The 2014 Sierra also uses electric power steering. An electric motor in place of an engine-driven hydraulic pump saves fuel and allows for tuning that’s expected to result in a more consistent, crisp steering feel and plenty of assist for parking manoeuvres.

The new standard in truck interiors

Premium materials, attention to detail and purposeful technology define Sierra’s all-new cabin. New soft-touch materials and available aluminum trim line an interior that’s focused on usable and productive space.

“Truck owners want a well-crafted cabin, but also one that still feels like a truck,” said Helen Emsley, Sierra interior design director. “They want a purposeful interior, not one that’s flowing like you’d find in a car or crossover.”

Sierra has an upright instrument panel designed for visibility and accessibility. Knobs and buttons are large, legible and within reach. All knobs are coated using a rubber-over-mold technology, so they’re easy to grip even through gloves.

A new instrument cluster on all models features six gauges with an available centrally located, 4.2-inch colour Driver Information Centre with vehicle status information, a trip computer and other information, such as radio and navigation.

A second, high-mounted glove box with a flat floor joins the traditional box below. Each of Sierra’s doors has storage crafted to hold most beverage containers and other personal items. Along the centre stack and centre console are additional cupholders, discreet compartments large enough for most laptop computers, and connectivity options. Sierra is available with a 110-volt outlet, up to five USB ports, four 12-volt outlets and an SD card slot.

Available IntelliLink connectivity uses a high-definition, fully reconfigurable eight-inch colour touch screen with an intuitive layout and easy-to-read icons that control audio features, Bluetooth phone features, and available navigation with all-new map displays. Many of the system’s features can be controlled by voice command, allowing drivers to keep their eyes on the road and hands on the wheel.

Sierra’s seats use dual-density foam designed to stay comfortable over long hours and continue to look great after years of use. Leather and cloth are offered, and Sierra’s new high-wear cloth is designed to last longer and resist staining. A spilled drink will bead on the fabric, not soak in. Heated front seats are available with cloth seats and standard with leather.

New door and bed configurations

For the first time on double cab models, the 2014 Sierra has new front-hinged rear doors with outside pull handles at the rear, providing improved access in tight parking spaces. Unlike trucks with rear-hinged doors, Sierra’s layout allows rear passengers to enter and exit the vehicle with the front doors remaining closed.

Crew cab customers, who represent more than 60 percent of retail Sierra owners, can choose between two bed lengths: a new 6-foot, 6-inch box is available in addition to the standard 5-foot, 8-inch box. Regular cabs continue to be available with the 6-foot, 6-inch or 8-foot box lengths, while the double cab will come exclusively with a 6-foot, 6-inch box.

Cargo box innovations

Sierra’s rear bumper features standard corner steps that make climbing into the bed easy, regardless of whether the tailgate is up or down. The steps are paired with grips formed into the top of each bed side. Four movable upper tie downs are also standard. They can be placed in nine different locations and can bear a 250-pound (113 kg) load. Available LED cargo lights integrated beneath the bed rails will illuminate the bed when a tonneau cover is in place. The available EZ Lift and Lower tailgate uses an integrated torsion bar and damper to ease lifting and lowering.

Driver Alert Technology

Several active safety features are available for the 2014 Sierra, including Forward Collision Alert, which uses a forward-facing camera to notify the driver of an imminent collision, and Lane Departure Warning, which uses the same camera to track the truck’s position in relation to a road’s lane markers.

Paired with Forward Collision Alert and Land Departure Warning is GMC’s first-ever Driver Alert Seat, which generates vibrating pulse patterns on the left and/or right side of the lower seat cushion bolster to alert the driver of potential dangers, such as an un-signaled lane change or approaching another vehicle too quickly. According to GM research, the seat’s vibrations may direct driver attention to the location of a potential collision more quickly and accurately than audible alerts. Drivers have the option of selecting either audible or vibrating alerts.

Quieter, stronger, more aerodynamic

Quietness doesn’t only come from factors within the cabin. The 2014 Sierra features new aerodynamic measures that benefit fuel efficiency and reduce wind noise. Updated mirrors that reduce wind turbulence, triple-sealed inlaid doors, as well as roof and tailgate design features all help air flow smoothly and quietly over the Sierra. Additional sealing around the grille, headlamps and space between the cab and box are also designed to lower drag for the new trucks, along with new aerodynamic spats located in front of the rear wheels

Updates to Sierra’s body and chassis are designed to improve ride and handling, comfort and capability. The fully boxed frame uses high-strength steel and hydroforming to provide more strength and rigidity with less weight. New cab structures incorporate high-strength steel in the A-pillars, B-pillars, roof rails and rocker panels, while ultra-high-strength steel segments of the rocker panels provide added protection for shallow offset crashes.

Sierra’s aluminum hood saves approximately 17 pounds versus a comparable steel hood. At the rear, a roll-formed box is stronger, lighter and more durable than a traditional stamped steel box.

Sierra uses aluminum for some suspension components for additional rigidity and weight saving, and new lightweight wheels are paired with low-rolling-resistance tires in most applications. The tires, along with new shear-style and redesigned hydraulic cab mounts, are designed to help reduce noise and vibration in the cabin.

Attention to detail

GMC designers approached the exterior of the 2014 Sierra with respect for its predecessors, evolving its familiar shape while adding distinctive details like standard projector headlamps, available LED signature accent lighting and detailed new grilles. All Sierra models have chrome grille surrounds and premium black wheel arch mouldings. Different trim levels feature chrome belt mouldings, mirror caps and door handles, as well as unique wheel designs and grille details.

Other new features include available front Park Assist, in addition to the rear Park Assist already available, and a sliding rear window with a defroster.

Distinctive All-Terrain model

Sierra All-Terrain has all-new styling for 2014. It includes a unique exterior appearance with a body colour painted grille and less chrome, and is available as a double cab or crew cab in a limited number of colours.

Standard equipment for Sierra All-Terrain includes the Z71 off-road suspension with monotube Rancho shocks, hill descent control, front recovery hooks, a transfer case shield and unique wheels and tires, along with an automatic locking rear differential that reacts in milliseconds in low-traction situations to improve safety and confidence on wet, snowy or muddy surfaces.

Sierra All Terrain is available exclusively with an ebony interior and with front bucket seats on SLE models. A carbon fibre-look seat accent is standard on SLT models.

OnStar details

Six months of OnStar Directions and Connections service is standard on Sierra. OnStar is the global leading provider of connected safety, security and mobility solutions and advanced information technology.